The intention of her message was presumably to push back against
elements of the media that have been connecting to the Giffords
shooting. But she quickly found herself in equally hot
water for using the term 'blood libel' (history
here).

The rational for pulling the video is fuzzy -- the note is still
on her Facebook and the video has been playing across all the
networks. By pulling it Palin is essentially admitting her
mistake.